92 lines
2.2 KiB
Diff
92 lines
2.2 KiB
Diff
From a822d6667a687451cdf65aef66ecc7fa15891205 Mon Sep 17 00:00:00 2001
|
|
From: David Knell <david.knell@gmail.com>
|
|
Date: Wed, 28 Oct 2020 14:20:56 +0000
|
|
Subject: [PATCH] PiFi-40 Devicetree files
|
|
|
|
Signed-off-by: David Knell <david.knell@gmail.com>
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 6 +++
|
|
.../arm/boot/dts/overlays/pifi-40-overlay.dts | 50 +++++++++++++++++++
|
|
3 files changed, 57 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/overlays/pifi-40-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -125,6 +125,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
|
|
pca953x.dtbo \
|
|
pibell.dtbo \
|
|
pifacedigital.dtbo \
|
|
+ pifi-40.dtbo \
|
|
piglow.dtbo \
|
|
piscreen.dtbo \
|
|
piscreen2r.dtbo \
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -2000,6 +2000,12 @@ Params: spi-present-mask 8-bit in
|
|
0-3, which can be configured with JP1 and JP2.
|
|
|
|
|
|
+Name: pifi-40
|
|
+Info: Configures the PiFi 40W stereo amplifier
|
|
+Load: dtoverlay=pifi-40
|
|
+Params: <None>
|
|
+
|
|
+
|
|
Name: piglow
|
|
Info: Configures the PiGlow by pimoroni.com
|
|
Load: dtoverlay=piglow
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/pifi-40-overlay.dts
|
|
@@ -0,0 +1,50 @@
|
|
+// Definitions for PiFi-40 Amp
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+#include <dt-bindings/gpio/gpio.h>
|
|
+/ {
|
|
+ compatible = "brcm,bcm2835";
|
|
+
|
|
+ fragment@0 {
|
|
+ target = <&i2s>;
|
|
+ __overlay__ {
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target = <&i2c1>;
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ status = "okay";
|
|
+
|
|
+ tas5711l: audio-codec@1a {
|
|
+ compatible = "ti,tas5711";
|
|
+ reg = <0x1a>;
|
|
+ #sound-dai-cells = <0>;
|
|
+ sound-name-prefix = "Left";
|
|
+ status = "okay";
|
|
+ };
|
|
+
|
|
+ tas5711r: audio-codec@1b {
|
|
+ compatible = "ti,tas5711";
|
|
+ reg = <0x1b>;
|
|
+ #sound-dai-cells = <0>;
|
|
+ sound-name-prefix = "Right";
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@2 {
|
|
+ target = <&sound>;
|
|
+ pifi_40: __overlay__ {
|
|
+ compatible = "pifi,pifi-40";
|
|
+ audio-codec = <&tas5711l &tas5711r>;
|
|
+ i2s-controller = <&i2s>;
|
|
+ pdn-gpios = <&gpio 23 1>;
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+};
|